345747026 has 4 divisors (see below), whose sum is σ = 518620542. Its totient is φ = 172873512.

The previous prime is 345747013. The next prime is 345747049. The reversal of 345747026 is 620747543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 283888801 + 61858225 = 16849^2 + 7865^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86436755 + ... + 86436758.

Almost surely, 2^345747026 is an apocalyptic number.

345747026 is a deficient number, since it is larger than the sum of its proper divisors (172873516).

345747026 is a wasteful number, since it uses less digits than its factorization.

345747026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172873515.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 345747026 is about 18594.2740111035. The cubic root of 345747026 is about 701.8637584865.

The spelling of 345747026 in words is "three hundred forty-five million, seven hundred forty-seven thousand, twenty-six".